I can drool you can drool he can drool we can drool you can drool they can drool
V-ing form
I can be drooling you can be drooling he can be drooling we can be drooling you can be drooling they can be drooling
Perfect
I can have drooled you can have drooled he can have drooled we can have drooled you can have drooled they can have drooled
V-ing perfect
I can have been drooling you can have been drooling he can have been drooling we can have been drooling you can have been drooling they can have been drooling
Negation
Simple form
I can't drool you can't drool he can't drool we can't drool you can't drool they can't drool
V-ing form
I can't be drooling you can't be drooling he can't be drooling we can't be drooling you can't be drooling they can't be drooling
Perfect
I can't have drooled you can't have drooled he can't have drooled we can't have drooled you can't have drooled they can't have drooled
V-ing perfect
I can't have been drooling you can't have been drooling he can't have been drooling we can't have been drooling you can't have been drooling they can't have been drooling
Interrogative form
Simple form
can I drool? can you drool? can he drool? can we drool? can you drool? can they drool?
V-ing form
can I be drooling? can you be drooling? can he be drooling? can we be drooling? can you be drooling? can they be drooling?
Perfect
can I have drooled? can you have drooled? can he have drooled? can we have drooled? can you have drooled? can they have drooled?
V-ing perfect
can I have been drooling? can you have been drooling? can he have been drooling? can we have been drooling? can you have been drooling? can they have been drooling?
Interro-negative form
Simple form
can't I drool? can't you drool? can't he drool? can't we drool? can't you drool? can't they drool?
V-ing form
can't I be drooling? can't you be drooling? can't he be drooling? can't we be drooling? can't you be drooling? can't they be drooling?
Perfect
can't I have drooled? can't you have drooled? can't he have drooled? can't we have drooled? can't you have drooled? can't they have drooled?
V-ing perfect
can't I have been drooling? can't you have been drooling? can't he have been drooling? can't we have been drooling? can't you have been drooling? can't they have been drooling?